4 * Babeltrace CTF Writer
6 * Copyright 2013 EfficiOS Inc.
8 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
10 * Permission is hereby granted, free of charge, to any person obtaining a copy
11 * of this software and associated documentation files (the "Software"), to deal
12 * in the Software without restriction, including without limitation the rights
13 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 * copies of the Software, and to permit persons to whom the Software is
15 * furnished to do so, subject to the following conditions:
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
29 #include <babeltrace/ctf-writer/clock.h>
30 #include <babeltrace/ctf-writer/clock-internal.h>
31 #include <babeltrace/ctf-writer/writer-internal.h>
32 #include <babeltrace/compiler.h>
36 void bt_ctf_clock_destroy(struct bt_ctf_ref
*ref
);
38 struct bt_ctf_clock
*bt_ctf_clock_create(const char *name
)
40 struct bt_ctf_clock
*clock
= NULL
;
42 if (validate_identifier(name
)) {
46 clock
= g_new0(struct bt_ctf_clock
, 1);
51 clock
->name
= g_string_new(name
);
56 clock
->description
= g_string_new(NULL
);
57 if (!clock
->description
) {
62 clock
->frequency
= 1000000000;
63 uuid_generate(clock
->uuid
);
64 bt_ctf_ref_init(&clock
->ref_count
);
67 bt_ctf_clock_destroy(&clock
->ref_count
);
73 int bt_ctf_clock_set_description(struct bt_ctf_clock
*clock
, const char *desc
)
77 if (!clock
|| !desc
|| clock
->frozen
) {
82 clock
->description
= g_string_assign(clock
->description
, desc
);
83 ret
= clock
->description
? 0 : -1;
88 int bt_ctf_clock_set_frequency(struct bt_ctf_clock
*clock
, uint64_t freq
)
92 if (!clock
|| clock
->frozen
) {
97 clock
->frequency
= freq
;
102 int bt_ctf_clock_set_precision(struct bt_ctf_clock
*clock
, uint64_t precision
)
106 if (!clock
|| clock
->frozen
) {
111 clock
->precision
= precision
;
116 int bt_ctf_clock_set_offset_s(struct bt_ctf_clock
*clock
, uint64_t offset_s
)
120 if (!clock
|| clock
->frozen
) {
125 clock
->offset_s
= offset_s
;
130 int bt_ctf_clock_set_offset(struct bt_ctf_clock
*clock
, uint64_t offset
)
134 if (!clock
|| clock
->frozen
) {
139 clock
->offset
= offset
;
144 int bt_ctf_clock_set_is_absolute(struct bt_ctf_clock
*clock
, int is_absolute
)
148 if (!clock
|| clock
->frozen
) {
153 clock
->absolute
= !!is_absolute
;
158 int bt_ctf_clock_set_time(struct bt_ctf_clock
*clock
, uint64_t time
)
162 /* Timestamps are strictly monotonic */
163 if (!clock
|| time
< clock
->time
) {
173 void bt_ctf_clock_get(struct bt_ctf_clock
*clock
)
179 bt_ctf_ref_get(&clock
->ref_count
);
182 void bt_ctf_clock_put(struct bt_ctf_clock
*clock
)
188 bt_ctf_ref_put(&clock
->ref_count
, bt_ctf_clock_destroy
);
192 void bt_ctf_clock_freeze(struct bt_ctf_clock
*clock
)
202 void bt_ctf_clock_serialize(struct bt_ctf_clock
*clock
,
203 struct metadata_context
*context
)
207 if (!clock
|| !context
) {
212 g_string_append(context
->string
, "clock {\n");
213 g_string_append_printf(context
->string
, "\tname = %s;\n",
215 g_string_append_printf(context
->string
,
216 "\tuuid = \"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\";\n",
217 uuid
[0], uuid
[1], uuid
[2], uuid
[3],
218 uuid
[4], uuid
[5], uuid
[6], uuid
[7],
219 uuid
[8], uuid
[9], uuid
[10], uuid
[11],
220 uuid
[12], uuid
[13], uuid
[14], uuid
[15]);
221 if (clock
->description
->len
) {
222 g_string_append_printf(context
->string
, "\tdescription = \"%s\";\n",
223 clock
->description
->str
);
226 g_string_append_printf(context
->string
, "\tfreq = %" PRIu64
";\n",
228 g_string_append_printf(context
->string
, "\tprecision = %" PRIu64
";\n",
230 g_string_append_printf(context
->string
, "\toffset_s = %" PRIu64
";\n",
232 g_string_append_printf(context
->string
, "\toffset = %" PRIu64
";\n",
234 g_string_append_printf(context
->string
, "\tabsolute = %s;\n",
235 clock
->absolute
? "TRUE" : "FALSE");
236 g_string_append(context
->string
, "};\n\n");
240 uint64_t bt_ctf_clock_get_time(struct bt_ctf_clock
*clock
)
242 return clock
? clock
->time
: 0;
246 void bt_ctf_clock_destroy(struct bt_ctf_ref
*ref
)
248 struct bt_ctf_clock
*clock
;
254 clock
= container_of(ref
, struct bt_ctf_clock
, ref_count
);
256 g_string_free(clock
->name
, TRUE
);
259 if (clock
->description
) {
260 g_string_free(clock
->description
, TRUE
);
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